<?php

/**
 * UserIdentity represents the data needed to identity a user.
 * It contains the authentication method that checks if the provided
 * data can identity the user.
 */
class UserIdentity extends CUserIdentity
{
	/**
	 * Authenticates a user.
	 * The example implementation makes sure if the username and password
	 * are both 'demo'.
	 * In practical applications, this should be changed to authenticate
	 * against some persistent user identity storage (e.g. database).
	 * @return boolean whether authentication succeeds.
	 */
	private $_id; 
	
	public function authenticate()
    {
        $record=Persona::model()->findByAttributes(array('nom_usuari'=>$this->username));

        if($record===null)
            $this->errorCode=self::ERROR_USERNAME_INVALID;
        //else if($record->contrasenya!==$this->password)
        else if($record->contrasenya!==md5($this->password))
            $this->errorCode=self::ERROR_PASSWORD_INVALID;
        else
        {
            $this->_id=$record->id;
            //this->username=$record->nom_usuari;

			$auth=Yii::app()->authManager;
            if(!$auth->isAssigned($record->rol,$this->_id))
            {
                if($auth->assign($record->rol,$this->_id))
                {
                    Yii::app()->authManager->save();
                }
            }

			$this->setState('rol', $record->rol);
			$this->setState('title', $record->nom_usuari);
            $this->errorCode=self::ERROR_NONE;
        }
        return !$this->errorCode;
    }
 
    public function getId()
    {
        return $this->_id;
    }

}